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Description
w638 4r 2z skfTechnische Basisdaten Hersteller: SKF Synonym: WF638 4 2Z Abdichtung: Deckscheiben auf beiden Seiten Erweiterte technische Daten 2Z Shield Of Pressed Sheet Steel On Both Sides Of The Bearing ueres Breitenmae:(D) mm 9,00 ueres Breitenmae:(B) mm 4,00 Einzelgewicht in (kg): 0. 001 Externe Modifikation F Flange Innenmae:(d) mm 4,00 Interne Radialluft Cn Normale Innenluft R External Integral Flange On Outer Ring Spezialbehandlung: Keine Spezialbehandlung
Technische Basisdaten
| Hersteller: SKF |
| Synonym: WF638/4-2Z |
| Abdichtung: Deckscheiben auf beiden Seiten |
Erweiterte technische Daten
| 2Z Shield Of Pressed Sheet Steel On Both Sides Of The Bearing |
| Äußeres Breitenmaße:(D) mm 9,00 |
| Äußeres Breitenmaße:(B) mm 4,00 |
| Einzelgewicht in (kg): 0.001 |
| Externe Modifikation F - Flange |
| Innenmaße:(d) mm 4,00 |
| Interne Radialluft Cn Normale Innenluft |
| R External Integral Flange On Outer Ring |
| Spezialbehandlung: Keine Spezialbehandlung |
| Wärmestabilisierung: Keine Wärmestabilisierung: - Temperaturen bis 120°C |
| Anzahl der Reihen 1 |
| Art der Abdichtung: Berührungsfrei |
| Außendurchmesser 9 mm |
| Beschichtung Ohne |
| Äußeres Breitenmaß 4 mm |
| Dynamische Tragzahl 0.364 kN |
| Einfüllnuten Ohne |
| Einzelgewicht 0.001 kg |
| Grenzdrehzahl 70 000 r/min |
| Nachschmierfunktion Ohne |
| Passungsanordnung Kein(e) |
| Referenzdrehzahl 140 000 r/min |
| Schmierstoff: Fett |
| Statische Tragzahl 0.114 kN |
| UNSPSC-Code 31171504 |
| eClass-Code 23-05-08-01 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 3
Not durable
Color: Black/White, Size: Large
If you have a dog who likes to pop things then this toy isn't it. Within 5 min she had this ball popped. It was made to sound like it was durable for this type of thing but it definitely is not so just be aware. Now if you have a dog who doesn't pop things easy then this would be a good toy
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Reviewed in the United States on May 15, 2026
★★★★★ 5
They last quite well, even out in weather.
Color: Black/White, Size: Medium
NY corgi loves these!
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Dog can't pop it!
Color: Black/White, Size: Medium
Great toy would buy again!
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Reviewed in the United States on November 17, 2025
★★★★★ 4
WHAT I LEARNED
Color: U.S.A, Size: Medium
i AM NOT SURE THAT 4 STARS IS A FAIR SCORE, MY DOG IS AN AGGRESSIVE CHEWER, NEEDLESS TO SAY WITHIN 2 DAYS ALL THE TABS WERE OFF, BUT THERE WERE NUBS LEFT AND SHE CAN USE THAT. HERE IS A WHAT NOT TO DO, BRING IT TO THE DOG PARK, THEY ALL HAVE A BLAST BUT IF YOUR A BULLY/PIT MIX AND DECIDE TO SINK THEIR TEETH INTO IT, IT DOES DEFLAT. LESSONS LEARNED STILL A FUN TOY.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Sturdy ball with pump
Color: Black/White, Size: Medium
Thick material so it won't pop so easy. Comes with a hand pump and 2 ball needles. Tabs for the dog to carry in his mouth. Although my dog bites the whole thing to carry. Savage loves it!
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Reviewed in the United States on February 4, 2026